Making The Hydraulic Connections; Overview Of Hydraulic Connections - Viessmann Vitocal 300-G Pro Installation And Service Instructions For Contractors

Installation sequence

Making the hydraulic connections

Overview of hydraulic connections

200
368 343
Fig. 18
A Flow, primary circuit (inlet):
Victaulic 3 (DN 80)
"
B Flow, secondary circuit (outlet):
Victaulic 2 (DN 65)
½"
C Return, primary circuit (outlet):
Victaulic 3 (DN 80)
"
26
D Return, secondary circuit (inlet):
Victaulic 2 (DN 65)
½"
Low voltage < 50 V
E
Power supply 230 V/50 Hz
F
Power supply 400 V/50 Hz
G